Voice tone:Bluetooth version:4.1,Pick up the phone, play the music:Standby time:120-130H,Last number redial、one with two:Standby time:Battery capacity:60mAh,Switch between Chinese and English:Standby time:Distance:10m,Automatic connect:Charging interface:Micro-UBS,Iphone power display:Talk time:4-5H,Size:60*15.7*8.5mm,Charging voltage:DC 5V